Tankersley, 28, missed all of the 2009 major league season with an elbow injury. After seeing limited action as a lefty specialist in 2010, he rejected a minor league assignment and was granted free agency in October. In four seasons with the Marlins, Tankersley had a 4.58 ERA with 8.8 K/9 and 5.3 BB/9. The reliever is represented by Tom O'Connell.